He loves spot the difference puzzles.

He is reputed to be a lecherous man.

He felt that the movie was too lewd.

Do you understand the necessity of this project?

That information is unnecessary.

That information is completely unnecessary.

He thinks that war is a necessary evil.

The police are doing their best to search for the fugitive.

There is a new clothes rack in my room.

My new tripod is very stable.